Page 53 - Applied Pharmacognosy
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Classification of Chromatographic Techniques

          According to the Mode of Retention

1. Adsorption Chromatography.

✓ The intermolecular forces which are responsible for

adsorption:                    What are the sample criteria??

a. London forces.              • Organic-soluble.
b. Dipole forces.              • Non-ionic.
c. Weak covalent bonds.        • Intermediate Mwt.
d. Hydrogen bonds.

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